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From: Chuck Lever <chuck.lever@oracle.com>
To: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: [PATCH v1 11/19] xprtrdma: Increase maximum number of backchannel request
Date: Wed, 10 Apr 2019 16:07:30 -0400	[thread overview]
Message-ID: <20190410200730.11522.38203.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20190410200446.11522.21145.stgit@manet.1015granger.net>

Reflects the change introduced in commit 067c46967160 ("NFSv4.1:
Bump the default callback session slot count to 16").

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
 net/sunrpc/xprtrdma/xprt_rdma.h |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 9871cd9..f1bbe36 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -103,12 +103,14 @@ struct rpcrdma_ep {
 
 /* Pre-allocate extra Work Requests for handling backward receives
  * and sends. This is a fixed value because the Work Queues are
- * allocated when the forward channel is set up.
+ * allocated when the forward channel is set up, long before the
+ * backchannel is provisioned. This value is two times
+ * NFS4_DEF_CB_SLOT_TABLE_SIZE.
  */
 #if defined(CONFIG_SUNRPC_BACKCHANNEL)
-#define RPCRDMA_BACKWARD_WRS		(8)
+#define RPCRDMA_BACKWARD_WRS (32)
 #else
-#define RPCRDMA_BACKWARD_WRS		(0)
+#define RPCRDMA_BACKWARD_WRS (0)
 #endif
 
 /* Registered buffer -- registered kmalloc'd memory for RDMA SEND/RECV


  parent reply	other threads:[~2019-04-10 20:07 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-10 20:06 [PATCH v1 00/19] Proposed NFS/RDMA patches for v5.2 Chuck Lever
2019-04-10 20:06 ` [PATCH v1 01/19] SUNRPC: Avoid digging into the ATOMIC pool Chuck Lever
2019-04-10 20:06 ` [PATCH v1 02/19] xprtrdma: Fix an frwr_map recovery nit Chuck Lever
2019-04-10 20:06 ` [PATCH v1 03/19] xprtrdma: Defer completion only when local invalidation is needed Chuck Lever
2019-04-10 20:06 ` [PATCH v1 04/19] xprtrdma: Clean up rpcrdma_create_req() Chuck Lever
2019-04-10 20:06 ` [PATCH v1 05/19] xprtrdma: Clean up rpcrdma_create_rep() and rpcrdma_destroy_rep() Chuck Lever
2019-04-11 20:47   ` Anna Schumaker
2019-04-10 20:07 ` [PATCH v1 06/19] xprtrdma: rpcrdma_regbuf alignment Chuck Lever
2019-04-10 20:07 ` [PATCH v1 07/19] xprtrdma: Allocate req's regbufs at xprt create time Chuck Lever
2019-04-10 20:07 ` [PATCH v1 08/19] xprtrdma: De-duplicate "allocate new, free old regbuf" Chuck Lever
2019-04-10 20:07 ` [PATCH v1 09/19] xprtrdma: Clean up regbuf helpers Chuck Lever
2019-04-10 20:07 ` [PATCH v1 10/19] xprtrdma: Backchannel can use GFP_KERNEL allocations Chuck Lever
2019-04-10 20:07 ` Chuck Lever [this message]
2019-04-10 20:07 ` [PATCH v1 12/19] xprtrdma: Trace marshaling failures Chuck Lever
2019-04-10 20:07 ` [PATCH v1 13/19] xprtrdma: Clean up sendctx functions Chuck Lever
2019-04-10 20:07 ` [PATCH v1 14/19] xprtrdma: More Send completion batching Chuck Lever
2019-04-10 20:07 ` [PATCH v1 15/19] xprtrdma: Eliminate rpcrdma_ia::ri_device Chuck Lever
2019-04-10 20:07 ` [PATCH v1 16/19] SUNRPC: Update comments based on recent changes Chuck Lever
2019-04-10 20:08 ` [PATCH v1 17/19] xprtrdma: Remove rpcrdma_create_data_internal::rsize and wsize Chuck Lever
2019-04-10 20:08 ` [PATCH v1 18/19] xprtrdma: Aggregate the inline settings in struct rpcrdma_ep Chuck Lever
2019-04-10 20:08 ` [PATCH v1 19/19] xprtrdma: Eliminate struct rpcrdma_create_data_internal Chuck Lever

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